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標(biāo)題: 基于DS1302的萬(wàn)年歷(含proteus仿真與代碼) [打印本頁(yè)]

作者: 單片機(jī)菜鳥(niǎo)·123 時(shí)間: 2020-6-29 20:07
標(biāo)題: 基于DS1302的萬(wàn)年歷(含proteus仿真與代碼)
#include <reg51.h>
#include <stdio.h>
#include <intrins.h>
typedef unsigned int u16;
typedef unsigned char u8;
sbit lcden=P2^5;//液晶使能
sbit lcdrw=P2^4;//液晶讀寫(xiě)
sbit lcdrs=P2^3;//液晶命令/數(shù)據(jù)
sbit ds1302rst=P2^0;//1302復(fù)位端
sbit ds1302clk=P2^1;//1302時(shí)鐘輸入
sbit ds1302io=P2^2;//1302IO口
sbit key1=P1^2;//功能選擇鍵
sbit key2=P1^3;//數(shù)值增加鍵
sbit key3=P1^4;//數(shù)值減少鍵
sbit key4=P1^5;//啟動(dòng)確認(rèn)鍵
sbit key5=P1^6;//12/24小時(shí)切換鍵
sbit key6=P1^7;
sbit key7=P1^1;//鬧鐘設(shè)置
sbit beep=P1^0;
char year=10,mon=9,day=8;hou=14,min=33,sec=12;
char naohou=20,naomin=25;
u8 key1pushflag,key2pushflag,key3pushflag,key4pushflag,key5pushflag=0,key6pushflag=0;//定義按鍵1,2,3,4,5標(biāo)志位
u8 countkey1,runmode=1,naomode=0,countkey2=0;//按鍵1標(biāo)志,運(yùn)行標(biāo)志位
u8 init_display1[]="2010-09-08";
u8 init_display2[]="14:33:12";

void delay(u16 ms){
u8 i,j;
for(i=ms;i>0;i--)
   for(j=110;j>0;j--);
}

//液晶顯示模塊
  void write_com(u8 com){//寫(xiě)命令
   lcdrs=0;
   lcden=0;
   lcdrw=0;
   P0=com;
   delay(5);
   lcden=1;
   delay(5);
   lcden=0;
   }

   void write_date(u8 date){//寫(xiě)數(shù)據(jù)
   lcdrs=1;
   lcden=0;
   lcdrw=0;
   P0=date;
   delay(5);
   lcden=1;
   delay(5);
   lcden=0;
   }

   void init_lcd(){//初始化顯示函數(shù)
u8  num;
   lcden=0;
write_com(0x38); //設(shè)置16*2行顯示,5*7點(diǎn)陣,8位數(shù)據(jù)口
   write_com(0x0c); //開(kāi)顯示,不顯示光標(biāo)
   write_com(0x06); //寫(xiě)一個(gè)字符后地址自動(dòng)加一
   write_com(0x01); //顯示清零,數(shù)據(jù)指針清零
   write_com(0x80+0x03); //第一行起始地址
   for(num=0;num<10;num++){
   write_date(init_display1[num]);
      delay(5);
      }
      write_com(0x80+0x42); //第二行起始地址
   for(num=0;num<9;num++){
   write_date(init_display2[num]);
      delay(5);
      }
      }

void LCD_Write_Char(unsigned char x,unsigned char y,unsigned char Data)
{
if (y == 0)
{
write_com(0x80 + x);
}
else
{
write_com(0xC0 + x);
}
write_date( Data);
}

void write_dat_to_lcd(u8 add,u8 dat){
   u8 ge,shi;
   ge=dat%10;
   shi=dat/10;
   write_com(0x0c);
   write_com(0x80+add);
   write_date(0x30+shi);
   write_date(0x30+ge);
}

void ds1302_write_byte(u8 dat){//1302寫(xiě)一字節(jié)函數(shù)
u8 temp,num1;
   temp=dat;
   ds1302rst=1;
   for(num1=0;num1<8;num1++){
   ds1302io=temp&0x01;
   ds1302clk=0;
   ds1302clk=1;
   temp=temp>>1;
   }
   }

   u8 ds1302_read_byte(){//1302讀一字節(jié)函數(shù)
   u8 num,temp;
ds1302rst=1;
for(num=0;num<8;num++){
if(ds1302io)
   temp=temp|0x80;
else
   temp=temp&0x7f;
   ds1302clk=1;
   ds1302clk=0;
temp=temp>>1;
   }
   return temp;
}

void ds1302_write_add_dat(u8 address,u8 dat){//向ds1302特定地址寫(xiě)入一字節(jié)數(shù)據(jù)
ds1302rst=0;
   ds1302clk=0;
   ds1302rst=1;
   ds1302_write_byte(address);
   ds1302_write_byte(dat);
   ds1302clk=1;
   ds1302rst=0;
   }

   u8 ds1302_read_add_dat(u8 address,u8 dat){//向ds1302特定地址讀入一字節(jié)數(shù)據(jù)
      u8 temp;
ds1302rst=0;
   ds1302clk=0;
   ds1302rst=1;
   ds1302_write_byte(address);//先寫(xiě)地址再讀數(shù)據(jù)
   temp=ds1302_read_byte();
   ds1302clk=1;
   ds1302rst=0;
      return temp;
   }

   u8 BCD_Decimal(u8 bcd){//BCD碼轉(zhuǎn)十進(jìn)制
   u8 Decimal;
      Decimal=bcd>>4;
      return (Decimal=Decimal*10+(bcd&=0x0f));
      }

   void init_ds1302(){
   ds1302rst=0;
   ds1302clk=0;
      ds1302_write_add_dat(0x8e,0x00);
      }
//按鍵模塊
void keyscan(){
if(key1==0){//加速鍵
delay(5);
   if(key1==0){//功能按鍵
   while(!key1);
runmode=0;
   key1pushflag=1;//功能按鍵按下，萬(wàn)年歷設(shè)置狀態(tài)
   countkey1++;//年月日時(shí)分秒設(shè)置
   if(countkey1>6)
   countkey1=1;
   }
   }
   if(key7==0){//鬧鐘模式
   delay(5);
   if(key7==0){
   while(!key7);
      naomode=1;
   key6pushflag=1;
   countkey2++;
   if(countkey2>1)
   countkey2=0;
   }
      }
if(key1pushflag==1||key6pushflag==1){
   if(key2==0){//加鍵
delay(5);
   if(key2==0){
   while(!key2);
key2pushflag=1;
   }
   }
   if(key3==0){//減鍵
delay(5);
   if(key3==0){
   while(!key3);
key3pushflag=1;
   }
   }
   if(key4==0){
delay(5);
   if(key4==0){
   while(!key4);
   key4pushflag=1;
   key1pushflag=0;
   key6pushflag=0;
   }
   }
   }
   if(key5==0){//12/24小時(shí)切換鍵
   delay(5);
   if(key5==0){
   while(!key5);
   key5pushflag=1;
      }
   }
   if(key6==0){//12/24小時(shí)切換鍵
   delay(5);
   if(key6==0){
   while(!key6);
   key5pushflag=0;
      }
   }


   }

//按鍵處理
void keyhandle(){
u8 temp;
switch(countkey1){
case 1:  //功能按鍵按一次，年數(shù)據(jù)處理
write_com(0x80+0x05);//光標(biāo)處于年的位置
write_com(0x0f);//光標(biāo)閃爍
if(key2pushflag==1){//增加按鍵按下
year++;
   if(year>99)
   year=0;
   key2pushflag=0;//清除按鍵標(biāo)志，放置按1次該鍵，數(shù)值一直減少
write_dat_to_lcd(0x05,year);//顯示增加數(shù)字
write_com(0x80+0x05); //光標(biāo)回到年起始位置
   }
   else if(key3pushflag==1){
year--;
   if(year<0)
   year=99;
   key3pushflag=0;//清除按鍵標(biāo)志，放置按1次該鍵，數(shù)值一直增加
write_dat_to_lcd(0x05,year);//顯示減少數(shù)字
write_com(0x80+0x05); //光標(biāo)回到年起始位置
   }
   break;
   case 2:
   write_com(0x80+0x08);//光標(biāo)處于月的位置
write_com(0x0f);//光標(biāo)閃爍
if(key2pushflag==1){//增加按鍵按下
mon++;
   if(mon>12)
   mon=1;
   key2pushflag=0;//清除按鍵標(biāo)志，放置按1次該鍵，數(shù)值一直增加
write_dat_to_lcd(0x08,mon);//顯示增加數(shù)字
write_com(0x80+0x08); //光標(biāo)回到月起始位置
   }
   else if(key3pushflag==1){
mon--;
   if(mon<0)
   mon=12;
   key3pushflag=0;//清除按鍵標(biāo)志，放置按1次該鍵，數(shù)值一直減少
write_dat_to_lcd(0x08,mon);//顯示減少數(shù)字
write_com(0x80+0x08); //光標(biāo)回到月起始位置
   }
   break;
   case 3:
      write_com(0x80+0x0b);//光標(biāo)處于日的位置
write_com(0x0f);//光標(biāo)閃爍
if(key2pushflag==1){//增加按鍵按下
day++;
   if(day>30)
   day=0;
   key2pushflag=0;//清除按鍵標(biāo)志，放置按1次該鍵，數(shù)值一直增加
write_dat_to_lcd(0x0b,day);//顯示增加數(shù)字
write_com(0x80+0x0b); //光標(biāo)回到日起始位置
   }
   else if(key3pushflag==1){
day--;
   if(day<1)
   day=30;
   key3pushflag=0;//清除按鍵標(biāo)志，放置按1次該鍵，數(shù)值一直減少
write_dat_to_lcd(0x0b,day);//顯示減少數(shù)字
write_com(0x80+0x0b); //光標(biāo)回到日起始位置
   }
   break;

   case 4:
write_com(0x80+0x42);//光標(biāo)處于時(shí)的位置
write_com(0x0f);//光標(biāo)閃爍
if(key2pushflag==1){//增加按鍵按下
hou++;
   if(hou>23)
   hou=0;
   key2pushflag=0;//清除按鍵標(biāo)志，放置按1次該鍵，數(shù)值一直增加
write_dat_to_lcd(0x42,hou);//顯示增加數(shù)字
write_com(0x80+0x42); //光標(biāo)回到時(shí)起始位置
   }
else if(key3pushflag==1){
hou--;
   if(hou<0)
   hou=23;
   key3pushflag=0;//清除按鍵標(biāo)志，放置按1次該鍵，數(shù)值一直減少
write_dat_to_lcd(0x42,hou);//顯示減少數(shù)字
write_com(0x80+0x42); //光標(biāo)回到時(shí)起始位置
   }
   break;
   case 5:
   write_com(0x80+0x45);//光標(biāo)處于分的位置
write_com(0x0f);//光標(biāo)閃爍
if(key2pushflag==1){//增加按鍵按下
min++;
   if(min>59)
   min=0;
   key2pushflag=0;//清除按鍵標(biāo)志，放置按1次該鍵，數(shù)值一直增加
write_dat_to_lcd(0x45,hou);//顯示增加數(shù)字
write_com(0x80+0x45); //光標(biāo)回到分起始位置
   }
   else if(key3pushflag==1){
min--;
   if(min<0)
   min=59;
   key3pushflag=0;//清除按鍵標(biāo)志，放置按1次該鍵，數(shù)值一直減少
write_dat_to_lcd(0x45,min);//顯示減少數(shù)字
write_com(0x80+0x45); //光標(biāo)回到分起始位置
   }
   break;

   case 6:
   write_com(0x80+0x48);//光標(biāo)處于秒的位置
write_com(0x0f);//光標(biāo)閃爍
if(key2pushflag==1){//增加按鍵按下
sec++;
   if(sec>59)
   sec=0;
   key2pushflag=0;//清除按鍵標(biāo)志，放置按1次該鍵，數(shù)值一直增加
write_dat_to_lcd(0x48,sec);//顯示增加數(shù)字
write_com(0x80+0x48); //光標(biāo)回到秒起始位置
   }
   else if(key3pushflag==1){
sec--;
   if(sec<0)
   sec=59;
   key3pushflag=0;//清除按鍵標(biāo)志，放置按1次該鍵，數(shù)值一直減少
write_dat_to_lcd(0x48,sec);//顯示減少數(shù)字
write_com(0x80+0x48); //光標(biāo)回到秒起始位置
   }
   break;
   }
   if(key4pushflag==1){
   temp=sec/10*16+sec%10;//秒鐘數(shù)據(jù)變成BCD碼
ds1302_write_add_dat(0x8e,0x00);//禁止DS1302寫(xiě)保護(hù)
ds1302_write_add_dat(0x80,temp);  //將秒鐘數(shù)據(jù)寫(xiě)入1302秒鐘寄存器

   temp=min/10*16+min%10;//分鐘數(shù)據(jù)變成BCD碼
ds1302_write_add_dat(0x8e,0x00);//禁止DS1302寫(xiě)保護(hù)
ds1302_write_add_dat(0x82,temp);  //將秒鐘數(shù)據(jù)寫(xiě)入1302秒鐘寄存器

   temp=hou/10*16+hou%10;//時(shí)鐘數(shù)據(jù)變成BCD碼
ds1302_write_add_dat(0x8e,0x00);//禁止DS1302寫(xiě)保護(hù)
ds1302_write_add_dat(0x84,temp);  //將秒鐘數(shù)據(jù)寫(xiě)入1302秒鐘寄存器

   temp=day/10*16+day%10;//日數(shù)據(jù)變成BCD碼
ds1302_write_add_dat(0x8e,0x00);//禁止DS1302寫(xiě)保護(hù)
ds1302_write_add_dat(0x86,temp);  //將秒鐘數(shù)據(jù)寫(xiě)入1302秒鐘寄存器

   temp=mon/10*16+mon%10;//月數(shù)據(jù)變成BCD碼
ds1302_write_add_dat(0x8e,0x00);//禁止DS1302寫(xiě)保護(hù)
ds1302_write_add_dat(0x88,temp);  //將秒鐘數(shù)據(jù)寫(xiě)入1302秒鐘寄存器

   temp=year/10*16+year%10;//年數(shù)據(jù)變成BCD碼
ds1302_write_add_dat(0x8e,0x00);//禁止DS1302寫(xiě)保護(hù)
ds1302_write_add_dat(0x8c,temp);  //將秒鐘數(shù)據(jù)寫(xiě)入1302秒鐘寄存器

write_com(0x0c);
key4pushflag=0;
runmode=1;

   }
}

  void naozhongmozhi(void){
   u8 temp;
switch(countkey2){
case 0:
write_com(0x80+0x42);//光標(biāo)處于時(shí)的位置
      write_com(0x0f);//光標(biāo)閃爍
if(key2pushflag==1){//增加按鍵按下
      naohou++;
   if(naohou>23)
   naohou=0;
   key2pushflag=0;//清除按鍵標(biāo)志，放置按1次該鍵，數(shù)值一直增加
write_dat_to_lcd(0x42,naohou);//顯示增加數(shù)字
write_com(0x80+0x42); //光標(biāo)回到時(shí)起始位置
   }
else if(key3pushflag==1){
naohou--;
   if(naohou<0)
   naohou=23;
   key3pushflag=0;//清除按鍵標(biāo)志，放置按1次該鍵，數(shù)值一直減少
write_dat_to_lcd(0x42,naohou);//顯示減少數(shù)字
write_com(0x80+0x42); //光標(biāo)回到時(shí)起始位置
   }
   break;
   case 1:
write_com(0x80+0x45);//光標(biāo)處于分的位置
write_com(0x0f);//光標(biāo)閃爍
if(key2pushflag==1){//增加按鍵按下
naomin++;
   if(naomin>59)
   naomin=0;
   key2pushflag=0;//清除按鍵標(biāo)志，放置按1次該鍵，數(shù)值一直增加
write_dat_to_lcd(0x45,naomin);//顯示增加數(shù)字
write_com(0x80+0x45); //光標(biāo)回到分起始位置
   }
   else if(key3pushflag==1){
naomin--;
   if(naomin<0)
   naomin=59;
   key3pushflag=0;//清除按鍵標(biāo)志，放置按1次該鍵，數(shù)值一直減少
write_dat_to_lcd(0x45,naomin);//顯示減少數(shù)字
write_com(0x80+0x45); //光標(biāo)回到分起始位置
   }
   break;
   }
   if(key4pushflag==1){
   write_com(0x0c);
key4pushflag=0;
naomode=0;
      }
}

  void shijianmoshiqiehuan(void){
  if(key5pushflag==1){
if(hou>12){
   hou=hou-12;
   LCD_Write_Char(10,1,'P');
      LCD_Write_Char(11,1,'M');
   }
   else{
   hou=hou;
   LCD_Write_Char(10,1,'A');
      LCD_Write_Char(11,1,'M');
      }
write_dat_to_lcd(0x48,sec);//把秒送入液晶
write_dat_to_lcd(0x45,min);
write_dat_to_lcd(0x42,hou);
write_dat_to_lcd(0x0b,day);
write_dat_to_lcd(0x08,mon);
write_dat_to_lcd(0x05,year);
   }
   else{
write_dat_to_lcd(0x48,sec);//把秒送入液晶
write_dat_to_lcd(0x45,min);
write_dat_to_lcd(0x42,hou);
write_dat_to_lcd(0x0b,day);
write_dat_to_lcd(0x08,mon);
write_dat_to_lcd(0x05,year);
   LCD_Write_Char(10,1,' ');
      LCD_Write_Char(11,1,' ');
      }
   }

void main(void)
{

init_lcd();
init_ds1302();

while (1){
   keyscan();
   if(runmode==1){
   sec=BCD_Decimal(ds1302_read_add_dat(0x81));//讀1302秒鐘寄存器數(shù)據(jù)，并轉(zhuǎn)化為十進(jìn)制
   min=BCD_Decimal(ds1302_read_add_dat(0x83));
   hou=BCD_Decimal(ds1302_read_add_dat(0x85));
   day=BCD_Decimal(ds1302_read_add_dat(0x87));
   mon=BCD_Decimal(ds1302_read_add_dat(0x89));
   year=BCD_Decimal(ds1302_read_add_dat(0x8d));
   write_com(0x0c);
   if(naomode==0){
   shijianmoshiqiehuan();
   }
   if(naomode==1){
write_dat_to_lcd(0x45,naomin);
write_dat_to_lcd(0x42,naohou);
   naozhongmozhi();
      }

      if(hou==naohou&&min==naomin){
   beep=0;
         }
         else{
         beep=1;
   }
   }
   else{//萬(wàn)年歷參數(shù)設(shè)置模式
   keyhandle();
      }
   }

}

基于ds1302的萬(wàn)年歷設(shè)計(jì).rar

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